16233620 has 48 divisors (see below), whose sum is σ = 37996560. Its totient is φ = 5784576.

The previous prime is 16233617. The next prime is 16233641. The reversal of 16233620 is 2633261.

It can be written as a sum of positive squares in 8 ways, for example, as 3857296 + 12376324 = 1964^2 + 3518^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6464 + ... + 8616.

It is an arithmetic number, because the mean of its divisors is an integer number (791595).

Almost surely, 2^16233620 is an apocalyptic number.

16233620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16233620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18998280).

16233620 is an abundant number, since it is smaller than the sum of its proper divisors (21762940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16233620 is a wasteful number, since it uses less digits than its factorization.

16233620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2204 (or 2202 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 16233620 is about 4029.0966729529. The cubic root of 16233620 is about 253.2047169537.

Adding to 16233620 its reverse (2633261), we get a palindrome (18866881).

The spelling of 16233620 in words is "sixteen million, two hundred thirty-three thousand, six hundred twenty".